97655432222143 has 2 divisors, whose sum is σ = 97655432222144. Its totient is φ = 97655432222142.

The previous prime is 97655432222099. The next prime is 97655432222147. The reversal of 97655432222143 is 34122223455679.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97655432222143 - 2²⁵ = 97655398667711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97655432222147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48827716111071 + 48827716111072.

It is an arithmetic number, because the mean of its divisors is an integer number (48827716111072).

Almost surely, 2^{97655432222143} is an apocalyptic number.

97655432222143 is a deficient number, since it is larger than the sum of its proper divisors (1).

97655432222143 is an equidigital number, since it uses as much as digits as its factorization.

97655432222143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 55.

The spelling of 97655432222143 in words is "ninety-seven trillion, six hundred fifty-five billion, four hundred thirty-two million, two hundred twenty-two thousand, one hundred forty-three".